<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8" name="viewport" content="width=device-width,initial-scale=1.0,user-scalable=no">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>~~~</title>
    <script src="../asserts/js/jquery-2.2.4.js"></script>
</head>
<body>
<div id="test">
    <h1>万般带不去</h1>
    <script>
        $(function () {
            $("h1").text("唯有业随身");

        })
    </script>
</div>
<script>
    $("body").css("background","gray")//B页面背景色-灰色
</script>
</body>
</html>